+/* Flush all cachelines for a page. */
+extern void cache_flush_page_phys(ppnum_t pa);
+
+/* Flushing for incoherent I/O */
+extern void dcache_incoherent_io_flush64(addr64_t pa, unsigned int count);
+extern void dcache_incoherent_io_store64(addr64_t pa, unsigned int count);
+
+
+extern processor_t cpu_processor_alloc(boolean_t is_boot_cpu);
+extern void cpu_processor_free(processor_t proc);
+
+extern void sysclk_gettime_interrupts_disabled(
+ mach_timespec_t *cur_time);
+
+
+extern void rtclock_intr(struct i386_interrupt_state *regs);
+
+extern void rtc_sleep_wakeup(void);
+
+extern void rtc_clock_stepping(
+ uint32_t new_frequency,
+ uint32_t old_frequency);
+extern void rtc_clock_stepped(
+ uint32_t new_frequency,
+ uint32_t old_frequency);
+
+extern void x86_lowmem_free(void);